Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 174 insertions, 0 deletions

diff --git a/ksvg/impl/libs/libtext2path/src/Affine.cpp b/ksvg/impl/libs/libtext2path/src/Affine.cpp
new file mode 100644
index 00000000..d06b53bc
--- /dev/null
+++ b/ksvg/impl/libs/libtext2path/src/Affine.cpp
@@ -0,0 +1,174 @@
+/*
+    Copyright (C) 2003 Nikolas Zimmermann <[email protected]>
+    This file is part of the KDE project
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    aint with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include <math.h>
+
+#include "Point.h"
+#include "Affine.h"
+
+using namespace T2P;
+
+Affine::Affine()
+{
+	m_affine[0] = 1.0;
+	m_affine[1] = 0.0;
+	m_affine[2] = 0.0;
+	m_affine[3] = 1.0;
+	m_affine[4] = 0.0;
+	m_affine[5] = 0.0;
+}
+
+Affine::Affine(double affine[6])
+{
+	for(int i = 0; i < 6; i++)
+		m_affine[i] = affine[i];
+}
+
+Affine::Affine(const Affine &other)
+{
+	(*this) = other;
+}
+
+Affine::Affine(double m11, double m12, double m21, double m22, double dx, double dy)
+{
+	m_affine[0] = m11; m_affine[1] = m12; m_affine[2] = m21;
+	m_affine[3] = m22; m_affine[4] = dx; m_affine[5] = dy;
+}
+		
+Affine::~Affine()
+{
+}
+
+Affine &Affine::operator*=(Affine &other)
+{
+	double d0 = m11() * other.m11() + m12() * other.m21();
+	double d1 = m11() * other.m12() + m12() * other.m22();
+	double d2 = m21() * other.m11() + m22() * other.m21();
+	double d3 = m21() * other.m12() + m22() * other.m22();
+	double d4 = dx() * other.m11() + dy() * other.m21() + other.dx();
+	double d5 = dx() * other.m12() + dy() * other.m22() + other.dy();
+
+	m_affine[0] = d0; m_affine[1] = d1; m_affine[2] = d2;
+	m_affine[3] = d3; m_affine[4] = d4; m_affine[5] = d5;
+
+	return *this;
+}
+
+Affine &Affine::operator=(const Affine &other)
+{
+	for(int i = 0; i < 6; i++)
+		m_affine[i] = other.m_affine[i];
+
+	return *this;
+}
+
+double &Affine::m11()
+{
+	return m_affine[0];
+}
+
+double &Affine::m12()
+{
+	return m_affine[1];
+}
+
+double &Affine::m21()
+{
+	return m_affine[2];
+}
+
+double &Affine::m22()
+{
+	return m_affine[3];
+}
+
+double &Affine::dx()
+{
+	return m_affine[4];
+}
+
+double &Affine::dy()
+{
+	return m_affine[5];
+}
+
+void Affine::scale(double s)
+{
+	scale(s, s);
+}
+
+void Affine::scale(double sx, double sy)
+{
+	m_affine[0] = sx;
+	m_affine[3] = sy;
+}
+
+void Affine::translate(const Point &point)
+{
+	m_affine[4] += point.x();
+	m_affine[5] += point.y();
+}
+
+void Affine::translate(double tx, double ty)
+{
+	m_affine[4] += tx * m_affine[0] + ty * m_affine[2];
+	m_affine[5] += tx * m_affine[1] + ty * m_affine[3];
+}
+
+void Affine::rotate(double angle)
+{
+	double sina = sin(angle);
+	double cosa = cos(angle);
+		
+	double tm11 = cosa * m_affine[0] + sina * m_affine[2];
+	double tm12 = cosa * m_affine[1] + sina * m_affine[3];
+	double tm21 = -sina * m_affine[0] + cosa * m_affine[2];
+	double tm22 = -sina * m_affine[1] + cosa * m_affine[3];
+	
+	m_affine[0] = tm11; m_affine[1] = tm12;
+	m_affine[2] = tm21; m_affine[3] = tm22;
+}
+
+void Affine::rotateAround(double angle, const Point &point)
+{
+	translate(point);
+	rotate(angle);
+	translate(point.invert());
+}
+
+void Affine::rotateAround(double angle, double cx, double cy)
+{
+	translate(-cx, -cy);
+	rotate(angle);
+	translate(cx, cy);
+}
+
+Point Affine::mapPoint(const Point &p) const
+{
+	return Point(p.x() * m_affine[0] + p.y() * m_affine[2] + m_affine[4],
+				 p.x() * m_affine[1] + p.y() * m_affine[3] + m_affine[5]);
+}
+
+double *Affine::data()
+{
+	return m_affine;
+}
+
+// vim:ts=4:noet